![Does anyone have a last resort option for removing this stuck seatpost, I've never came across a seatpost this stuck : r/BikeMechanics Does anyone have a last resort option for removing this stuck seatpost, I've never came across a seatpost this stuck : r/BikeMechanics](https://i.redd.it/qoempry7ik471.jpg)
Does anyone have a last resort option for removing this stuck seatpost, I've never came across a seatpost this stuck : r/BikeMechanics
![Aluminium Seat Post in Carbon Frame - Bad Idea yes/no? - Australian Cycling Forums - Bicycles Network Australia Aluminium Seat Post in Carbon Frame - Bad Idea yes/no? - Australian Cycling Forums - Bicycles Network Australia](https://live.staticflickr.com/65535/52189902654_3b60608445_w.jpg)
Aluminium Seat Post in Carbon Frame - Bad Idea yes/no? - Australian Cycling Forums - Bicycles Network Australia
Caustic soda. Last resort to a stuck aluminium seatpost in a steel frame. The aluminium desolves and the steel left alone as the theory goes. This was... | By Roots Cycles | Facebook
![Stuck aluminum seatpost in carbon frame. Packed with dry ice. Have had dry ice around the outside for 10 minutes. I was able to get it to twist a bit by having Stuck aluminum seatpost in carbon frame. Packed with dry ice. Have had dry ice around the outside for 10 minutes. I was able to get it to twist a bit by having](https://preview.redd.it/stuck-aluminum-seatpost-in-carbon-frame-packed-with-dry-ice-v0-hnehy8w2nrv91.jpg?width=640&crop=smart&auto=webp&s=2379c0b869bac93eb393ee0cedc7cf31e5e8455d)